<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>IFE task 23</title>
    <link rel="stylesheet" href="css/style.css">
</head>
<body>
<input id="ipt">
<div id="btn">
    <button id="deepFirst">深度优先</button>
    <button id="breadthFirst">广度优先</button>
    <button id="deepFirstSearch">深度优先搜索</button>
    <button id="breadthFirstSearch">广度优先搜索</button>
</div>
<div id="btn_speed">
    <button id="200">快</button>
    <button class="checked" id="500">中</button>
    <button id="800">慢</button>
</div>


<div id="root">
    <span>23333</span>
    <div>
        <span>supper</span>
        <div>
            <span>car</span>
        </div>
        <div>
            <span>pear</span>
        </div>
        <div>
            <span>pig</span>
        </div>
    </div>
    <div>
        <span>show</span>
        <div>
            <span>I</span>
            <div>
                <span>don't</span>
            </div>
            <div>
                <span>know</span>
            </div>
            <div>
                <span>why</span>
            </div>
        </div>
        <div>
            <span>how</span>
            <div>
                <span>are</span>
            </div>
            <div>
                <span>you</span>
            </div>
        </div>
    </div>
    <div>
        <span>I</span>
        <div>
            <span>am</span>
        </div>
        <div>
            <span>fine</span>
        </div>
        <div>
            <span>haha</span>
        </div>
    </div>
</div>

<script src="js/app.js"></script>
</body>
</html>